I must precontract you must precontract he must precontract we must precontract you must precontract they must precontract
Forme en V-ing
I must be precontracting you must be precontracting he must be precontracting we must be precontracting you must be precontracting they must be precontracting
Perfect
I must have precontracted you must have precontracted he must have precontracted we must have precontracted you must have precontracted they must have precontracted
Perfect en V-ing
I must have been precontracting you must have been precontracting he must have been precontracting we must have been precontracting you must have been precontracting they must have been precontracting
Négation
Forme simple
I mustn't precontract you mustn't precontract he mustn't precontract we mustn't precontract you mustn't precontract they mustn't precontract
Forme en V-ing
I mustn't be precontracting you mustn't be precontracting he mustn't be precontracting we mustn't be precontracting you mustn't be precontracting they mustn't be precontracting
Perfect
I mustn't have precontracted you mustn't have precontracted he mustn't have precontracted we mustn't have precontracted you mustn't have precontracted they mustn't have precontracted
Perfect en V-ing
I mustn't have been precontracting you mustn't have been precontracting he mustn't have been precontracting we mustn't have been precontracting you mustn't have been precontracting they mustn't have been precontracting
Forme interrogative
Forme simple
must I precontract? must you precontract? must he precontract? must we precontract? must you precontract? must they precontract?
Forme en V-ing
must I be precontracting? must you be precontracting? must he be precontracting? must we be precontracting? must you be precontracting? must they be precontracting?
Perfect
must I have precontracted? must you have precontracted? must he have precontracted? must we have precontracted? must you have precontracted? must they have precontracted?
Perfect en V-ing
must I have been precontracting? must you have been precontracting? must he have been precontracting? must we have been precontracting? must you have been precontracting? must they have been precontracting?
Forme interro-négative
Forme simple
mustn't I precontract? mustn't you precontract? mustn't he precontract? mustn't we precontract? mustn't you precontract? mustn't they precontract?
Forme en V-ing
mustn't I be precontracting? mustn't you be precontracting? mustn't he be precontracting? mustn't we be precontracting? mustn't you be precontracting? mustn't they be precontracting?
Perfect
mustn't I have precontracted? mustn't you have precontracted? mustn't he have precontracted? mustn't we have precontracted? mustn't you have precontracted? mustn't they have precontracted?
Perfect en V-ing
mustn't I have been precontracting? mustn't you have been precontracting? mustn't he have been precontracting? mustn't we have been precontracting? mustn't you have been precontracting? mustn't they have been precontracting?